Package gov.nih.mipav.model.algorithms

Class CeresSolver.LBFGS

java.lang.Object

gov.nih.mipav.model.algorithms.CeresSolver.LineSearchDirection

gov.nih.mipav.model.algorithms.CeresSolver.LBFGS

Enclosing class:

CeresSolver

class CeresSolver.LBFGS
extends CeresSolver.LineSearchDirection

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	is_positive_definite_
private CeresSolver.LowRankInverseHessian	low_rank_inverse_hessian_

Fields inherited from class gov.nih.mipav.model.algorithms.CeresSolver.LineSearchDirection

options

Constructor Summary

Constructors

Constructor	Description
LBFGS(int num_parameters, int max_lbfgs_rank, boolean use_approximate_eigenvalue_bfgs_scaling)

Method Summary

Modifier and Type	Method	Description
boolean	NextDirection(CeresSolver.LineSearchMinimizer.State previous, CeresSolver.LineSearchMinimizer.State current, Vector<Double> search_direction)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

low_rank_inverse_hessian_

private CeresSolver.LowRankInverseHessian low_rank_inverse_hessian_

is_positive_definite_

private boolean is_positive_definite_

Constructor Details

LBFGS

public LBFGS(int num_parameters,
 int max_lbfgs_rank,
 boolean use_approximate_eigenvalue_bfgs_scaling)

Method Details

NextDirection

public boolean NextDirection(CeresSolver.LineSearchMinimizer.State previous,
 CeresSolver.LineSearchMinimizer.State current,
 Vector<Double> search_direction)

Specified by:

NextDirection in class CeresSolver.LineSearchDirection